The chart below shows the most common weaknesses found in vulnerabilities across the Erlang ecosystem. Understanding which weakness types recur most often helps library authors and application developers focus their security efforts where they matter most.

Each CVE is mapped to its CWE (Common Weakness Enumeration) using the MITRE CWE hierarchy. A slice's count includes every CVE reachable anywhere below it in the hierarchy, not just CVEs assigned that exact CWE — click a slice or legend row to drill into its direct children and see the same breakdown one level down.

Improper Validation of Unsafe Equivalence in Input CWE-1289 CWE-1289 at MITRE

The product receives an input value that is used as a resource identifier or other type of reference, but it does not validate or incorrectly validates that the input is equivalent to a potentially-unsafe value.

CVEs

CVEs for Improper Validation of Unsafe Equivalence in Input CWE-1289

Summary Publication CVE ID Published
mpp Tempo keys its pre-broadcast dedup reserve on the caller-supplied transaction encoding, so a re-encoded signed transaction reserves a second slot CVE-2026-88255 2026-09-16
inets, httpd: Authentication Bypass via Directory Namespace Collapse in httpd mod_auth
Erlang
pkg:otp/inets
CVE-2026-74994 2026-09-01
2 CVEs